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作文畏难情绪往往是由“典型事例”理解偏差引起
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作者 韩青 《课外语文(下)》 2015年第1期118-118,共1页
长期以来,我们都在研究如何解决学生怕写作文、写作文不典型的问题,殊不知,学生写不出甚至畏惧的根因是在我们的作文教学观出了问题,并非学生问题。“典型事例”不是远离平凡生活的生动故事和惊人事件,而是每一细小事情的刻骨铭心... 长期以来,我们都在研究如何解决学生怕写作文、写作文不典型的问题,殊不知,学生写不出甚至畏惧的根因是在我们的作文教学观出了问题,并非学生问题。“典型事例”不是远离平凡生活的生动故事和惊人事件,而是每一细小事情的刻骨铭心的程度以及习作者自身的感受,用心体悟到了,再平常再细微的事情都是典型的,都是好作文素材。 展开更多
关键词 作文畏难情绪 “典型事例” 理解偏差
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A Path Planning Algorithm Based on Typical Case Reasoning 被引量:1
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作者 WENG Min WEI Xiuqin QU Rong CAI Zhongliang 《Geo-Spatial Information Science》 2009年第1期66-71,共6页
Case-based reasoning is an AI technique in which the previous solutions are stored for future use. People are used to guiding themselves according to those routes that are stored in their memories and have been used b... Case-based reasoning is an AI technique in which the previous solutions are stored for future use. People are used to guiding themselves according to those routes that are stored in their memories and have been used by them before. It is just based on people's preference to familiar routes, which are gained through the study of the cognitive activities. We propose to apply the intelligent method based on the case reasoning to path planning. It is impossible for a case base to store all the solutions to all the shortest paths; therefore, part of them should be stored. However, which routes should be stored and which should not be? How do we adapt the cases that have already been stored and how do we acquire the shortest route based on them? All these issues need to be explained by integrating knowledge of the network on account of case-based reasoning techniques. This paper suggests the case-based reasoning in another point. This means finding some irreplaceable links on the basis of the complete analysis of the problems space, which are called the must_be_passed link between the source and destination. Merely compute the shortest path case from those best exit/entry nodes of the grids to the irreplaceable links, and then add them into the case base storing for future use. This method is based on case-based reasoning technique and completely considers the properties of the problem space. In addition to the use of knowledge of the natural grid in the route network, this method is more efficient than existing algorithms on computing efficiency. 展开更多
关键词 path planning case-based reasoning typical case
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